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meson: do not share compiler flags except for emitting warnings

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Follow-up for 6526736397.

Prompted by https://github.com/systemd/systemd/issues/19191#issuecomment-856312107.
This commit is contained in:
Yu Watanabe 2021-06-08 09:23:50 +09:00 committed by Lennart Poettering
parent 9f40351f77
commit 16e09d51a7
2 changed files with 15 additions and 15 deletions
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29
meson.build
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@ -355,13 +355,6 @@ possible_common_cc_flags = [
# negative arguments are correctly detected starting with meson 0.46.
'-Wno-error=#warnings', # clang
'-Wno-string-plus-int', # clang
'-ffast-math',
'-fno-common',
'-fdiagnostics-show-option',
'-fno-strict-aliasing',
'-fvisibility=hidden',
'--param=ssp-buffer-size=4',
]
# Disable -Wmaybe-unitialized when compiling with -Os/-O1/-O3/etc. There are
@ -388,8 +381,21 @@ if cc.get_id() == 'clang'
]
endif
possible_cc_flags = possible_common_cc_flags + [
'-Werror=missing-declarations',
'-Werror=missing-prototypes',
'-fdiagnostics-show-option',
'-ffast-math',
'-fno-common',
'-fno-strict-aliasing',
'-fstack-protector',
'-fstack-protector-strong',
'-fvisibility=hidden',
'--param=ssp-buffer-size=4',
]
if get_option('buildtype') != 'debug'
possible_common_cc_flags += [
possible_cc_flags += [
'-ffunction-sections',
'-fdata-sections',
]
@ -397,13 +403,6 @@ if get_option('buildtype') != 'debug'
possible_link_flags += '-Wl,--gc-sections'
endif
possible_cc_flags = possible_common_cc_flags + [
'-Werror=missing-declarations',
'-Werror=missing-prototypes',
'-fstack-protector',
'-fstack-protector-strong',
]
add_project_arguments(cc.get_supported_arguments(basic_disabled_warnings), language : 'c')
add_project_arguments(cc.get_supported_arguments(possible_cc_flags), language : 'c')
add_project_link_arguments(cc.get_supported_link_arguments(possible_link_flags), language : 'c')

1
src/boot/efi/meson.build
View file

@ -180,6 +180,7 @@ if have_gnu_efi
possible_common_cc_flags + [
'-ffreestanding',
'-fno-stack-protector',
'-fno-strict-aliasing',
'-fpic',
'-fshort-wchar',
'-Wall',